"Night" means the time between the end of evening civil twilight and the beginning of morning civil twilight, as published in the Air Almanac, converted to local time.
This is when you can begin to log night time
Night takeoff and landing currency is based on takeoffs and landings that occur 1 hour after sunset to 1 hour before sunrise
Because of this, you could land during the "night" and have that landing not count towards your currency
andrehebra.github.io/student-notes/Students/Jacob-Flake/Notes.html